1. Skate Wheel Flow Rack Conveyor Rail : Unloading pulley is made of ABS plastic rollers and stainless steel frame. The ABS rollers make the conveyor fully supported and the weight of the conveyor is light, even a woman can carry it easily. 2. Splicable Unloading Pulley : The width is 30/40/50/60cm(11.8/15.7/19.7/23.6in) wide steel frame, and the length is splicing. Multiple Light Duty Gravity Conveyors can be attached as a single unit, and by attaching them as a single unit you will have a conveyor that is the right length for your needs. 3. Two styles: splicing model: the two sections of the slide are separated, when using the two slides need to be fixed with bolts (length of 150cm or more can be done); folding model, the middle is folded, not detachable, welded hinges dumpling chain, unfolding can be used, not suitable for bags of goods. (Available for lengths above 200cm). 4. Unpowered Design:The unloading slide consists of rows of thickened vertical shafts and horizontal shafts, the rows of vertical shafts are installed with neatly distributed wheels inside. When using the unloading slide, you only need to place it at an angle, and the goods will be transported from the car to the outside of the car due to gravity.